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Meteorological information for locust control operations FAO experience. national / international ops rain, temperature, wind weaknesses & solutions. Keith Cressman Locust Forecasting Office Rome, Italy. Desert Locust countries. Migration after summer. Migration after winter/spring. TUN.

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meteorological information for locust control operations fao experience
Meteorological information for locust control operationsFAO experience

national / international ops

rain, temperature, wind

weaknesses & solutions

  • Keith Cressman
  • Locust Forecasting Office
  • Rome, Italy
desert locust countries
Desert Locust countries

Migration after summer

Migration after winter/spring

TUN

MOR

PAK

IRN

ALG

LIB

EGY

SAU

IND

MAU

OMN

MLI

NER

CHD

ERI

YEM

SUD

DJI

SOM

ETH

Recession area = 16 million sq. km

Invasion area = 32 million sq. km (20% of world land mass)

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desert locust information flow
Desert Locust information flow

International -

National -

Field -

FAO Desert Locust

Information Service

Locust Control Centre

survey and control teams

( RAMSES data files, reports )

( forms, eLocust data files )

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current desert locust situation forecast
Current Desert Locust situation / forecast

Tunisia

Morocco

Spring 2005 breeding

Libya

Algeria

Western Sahara

Gambia

G. Bissau

Guinea

invading swarms

18 Oct 2004

Mauritania

Cape Verde

Mali

Chad

Niger

Senegal

Burkina

Faso

bands swarms

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weather thresholds
Weather thresholds

Rain

25 mm in two consecutive months

  • > 17°C(copulating & laying)
  • > 15-26°C (take-off)
  • > 9-17°C (sustained flight)
  • < 7 m/s (take-off)
  • < 1800 m (flight heights)

Temp

varies if solitary/gregarious locusts

Wind

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current weaknesses
Current weaknesses

Potential solutions

  • increase rains stations
  • reduce transmission errors
  • indicate data requirements
  • regional workshop
  • use forecast products
  • poor rain station coverage
  • national station data incomplete / errors
  • LCC does not make use of data
  • weak LCC / NMS link
  • FAO/DLIS does not use forecast products
  • poor rain station coverage
  • national station data incomplete / errors
  • LCC does not make use of data
  • weak LCC / NMS link
  • FAO/DLIS does not use forecast products

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